code.vegaprotocol.io/vega@v0.79.0/datanode/sqlsubscribers/volume_discount_stats_updated.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package sqlsubscribers
    17  
    18  import (
    19  	"context"
    20  
    21  	"code.vegaprotocol.io/vega/core/events"
    22  	"code.vegaprotocol.io/vega/datanode/entities"
    23  	eventspb "code.vegaprotocol.io/vega/protos/vega/events/v1"
    24  
    25  	"github.com/pkg/errors"
    26  )
    27  
    28  type (
    29  	VolumeDiscountStatsUpdatedEvent interface {
    30  		events.Event
    31  		VolumeDiscountStatsUpdated() *eventspb.VolumeDiscountStatsUpdated
    32  	}
    33  	VolumeDiscountStatsUpdatedStore interface {
    34  		Add(context.Context, *entities.VolumeDiscountStats) error
    35  	}
    36  	VolumeDiscountStatsUpdated struct {
    37  		subscriber
    38  		store VolumeDiscountStatsUpdatedStore
    39  	}
    40  )
    41  
    42  func NewVolumeDiscountStatsUpdated(store VolumeDiscountStatsUpdatedStore) *VolumeDiscountStatsUpdated {
    43  	return &VolumeDiscountStatsUpdated{
    44  		store: store,
    45  	}
    46  }
    47  
    48  func (pas *VolumeDiscountStatsUpdated) Types() []events.Type {
    49  	return []events.Type{
    50  		events.VolumeDiscountStatsUpdatedEvent,
    51  	}
    52  }
    53  
    54  func (pas *VolumeDiscountStatsUpdated) Push(ctx context.Context, evt events.Event) error {
    55  	switch evt.Type() {
    56  	case events.VolumeDiscountStatsUpdatedEvent:
    57  		return pas.consumeVolumeDiscountStatsUpdatedEvent(ctx, evt.(VolumeDiscountStatsUpdatedEvent))
    58  	default:
    59  		return nil
    60  	}
    61  }
    62  
    63  func (pas *VolumeDiscountStatsUpdated) consumeVolumeDiscountStatsUpdatedEvent(ctx context.Context, evt VolumeDiscountStatsUpdatedEvent) error {
    64  	stats, err := entities.NewVolumeDiscountStatsFromProto(evt.VolumeDiscountStatsUpdated(), pas.vegaTime)
    65  	if err != nil {
    66  		return errors.Wrap(err, "could not convert volume discount stats")
    67  	}
    68  
    69  	return errors.Wrap(pas.store.Add(ctx, stats), "could not add volume discount stats to the store")
    70  }
    71  
    72  func (pas *VolumeDiscountStatsUpdated) Name() string {
    73  	return "VolumeDiscountStatsUpdated"
    74  }